97887247 has 2 divisors, whose sum is σ = 97887248. Its totient is φ = 97887246.

The previous prime is 97887227. The next prime is 97887269. The reversal of 97887247 is 74278879.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97887247 - 2²³ = 89498639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 97887194 and 97887203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97887227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48943623 + 48943624.

It is an arithmetic number, because the mean of its divisors is an integer number (48943624).

Almost surely, 2^97887247 is an apocalyptic number.

97887247 is a deficient number, since it is larger than the sum of its proper divisors (1).

97887247 is an equidigital number, since it uses as much as digits as its factorization.

97887247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1580544, while the sum is 52.

The square root of 97887247 is about 9893.7984111260. The cubic root of 97887247 is about 460.8667448464.

The spelling of 97887247 in words is "ninety-seven million, eight hundred eighty-seven thousand, two hundred forty-seven".